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/*
* Copyright (C) 2013 Brett Wooldridge
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.zaxxer.hikari.pool;
import java.io.PrintStream;
import java.lang.reflect.Field;
import java.sql.Connection;
import java.util.HashMap;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.core.Appender;
import org.apache.logging.log4j.core.LogEvent;
import org.apache.logging.log4j.core.Logger;
import org.apache.logging.log4j.core.appender.AbstractAppender;
import org.apache.logging.log4j.core.layout.CsvLogEventLayout;
import org.apache.logging.slf4j.Log4jLogger;
import org.slf4j.LoggerFactory;
import com.zaxxer.hikari.HikariConfig;
import com.zaxxer.hikari.HikariDataSource;
/**
* Utility methods for testing.
*
* @author Brett Wooldridge
*/
public final class TestElf
{
private TestElf() {
// default constructor
}
public static HikariPool getPool(HikariDataSource ds)
{
try {
Field field = ds.getClass().getDeclaredField("pool");
field.setAccessible(true);
return (HikariPool) field.get(ds);
}
catch (Exception e) {
throw new RuntimeException(e);
}
}
@SuppressWarnings("unchecked")
public static HashMap<Object, HikariPool> getMultiPool(HikariDataSource ds)
{
try {
Field field = ds.getClass().getDeclaredField("multiPool");
field.setAccessible(true);
return (HashMap<Object, HikariPool>) field.get(ds);
}
catch (Exception e) {
throw new RuntimeException(e);
}
}
public static boolean getConnectionCommitDirtyState(Connection connection)
{
try {
Field field = ProxyConnection.class.getDeclaredField("isCommitStateDirty");
field.setAccessible(true);
return field.getBoolean(connection);
}
catch (Exception e) {
throw new RuntimeException(e);
}
}
public static void setConfigUnitTest(boolean unitTest)
{
try {
Field field = HikariConfig.class.getDeclaredField("unitTest");
field.setAccessible(true);
field.setBoolean(null, unitTest);
}
catch (Exception e) {
throw new RuntimeException(e);
}
}
public static void setSlf4jTargetStream(Class<?> clazz, PrintStream stream)
{
try {
Log4jLogger log4Jlogger = (Log4jLogger) LoggerFactory.getLogger(clazz);
Field field = clazz.getClassLoader().loadClass("org.apache.logging.slf4j.Log4jLogger").getDeclaredField("logger");
field.setAccessible(true);
Logger logger = (Logger) field.get(log4Jlogger);
if (logger.getAppenders().containsKey("string")) {
Appender appender = logger.getAppenders().get("string");
logger.removeAppender(appender);
}
logger.addAppender(new StringAppender("string", stream));
}
catch (Exception e) {
throw new RuntimeException(e);
}
}
public static void setSlf4jLogLevel(Class<?> clazz, Level logLevel)
{
try {
Log4jLogger log4Jlogger = (Log4jLogger) LoggerFactory.getLogger(clazz);
Field field = clazz.getClassLoader().loadClass("org.apache.logging.slf4j.Log4jLogger").getDeclaredField("logger");
field.setAccessible(true);
Logger logger = (Logger) field.get(log4Jlogger);
logger.setLevel(logLevel);
}
catch (Exception e) {
throw new RuntimeException(e);
}
}
public static HikariConfig newHikariConfig()
{
final StackTraceElement callerStackTrace = Thread.currentThread().getStackTrace()[2];
String poolName = callerStackTrace.getMethodName();
if ("setup".equals(poolName)) {
poolName = callerStackTrace.getClassName();
}
final HikariConfig config = new HikariConfig();
config.setPoolName(poolName);
return config;
}
public static HikariDataSource newHikariDataSource()
{
final StackTraceElement callerStackTrace = Thread.currentThread().getStackTrace()[2];
String poolName = callerStackTrace.getMethodName();
if ("setup".equals(poolName)) {
poolName = callerStackTrace.getClassName();
}
final HikariDataSource ds = new HikariDataSource();
ds.setPoolName(poolName);
return ds;
}
private static class StringAppender extends AbstractAppender
{
private PrintStream stream;
StringAppender(String name, PrintStream stream)
{
super(name, null, CsvLogEventLayout.createDefaultLayout());
this.stream = stream;
}
@Override
public void append(LogEvent event)
{
stream.println(event.getMessage().getFormattedMessage());
}
}
}
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